Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in Cardiff with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 6 months to 19 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JavaScript (including ECMAScript)
South Wales > Cardiff
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 14 10 9
Rank change year-on-year -4 -1 0
Contract jobs citing JavaScript 47 55 143
As % of all contract IT jobs advertised in Cardiff 7.74% 10.05% 16.38%
As % of the Programming Languages category 21.46% 27.23% 34.29%
Number of daily rates quoted 29 45 131
Cardiff median daily rate £375 £375 £310
Median daily rate % change year-on-year - +20.97% -6.42%
10th Percentile £268 £263 £210
90th Percentile £480 £513 £425
South Wales median daily rate £375 £400 £320
% change year-on-year -6.25% +25.00% -1.54%
Number of hourly rates quoted 0 0 4
Cardiff median hourly rate - - £9.00
South Wales median hourly rate - - £15.00

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Cardiff with a requirement for coding skills.

All Programming Languages
Cardiff
Contract vacancies with a requirement for coding skills 219 202 417
As % of all contract IT jobs advertised in Cardiff 36.08% 36.93% 47.77%
Number of daily rates quoted 145 148 342
Cardiff median daily rate £369 £375 £335
Median daily rate % change year-on-year -1.60% +11.94% -4.29%
10th Percentile £225 £210 £215
90th Percentile £470 £531 £449
South Wales median daily rate £375 £400 £350
% change year-on-year -6.25% +14.29% -
Number of hourly rates quoted 6 3 6
Cardiff median hourly rate £18.75 £40.00 £13.50
Median hourly rate % change year-on-year -53.13% +196.30% -11.48%
10th Percentile £14.75 £25.20 £10.09
90th Percentile £30.83 £40.00 £20.75
South Wales median hourly rate £19.00 £55.00 £18.11
% change year-on-year -65.45% +203.74% +18.74%

JavaScript
Job Vacancy Trend in Cardiff

Job postings citing JavaScript as a percentage of all IT jobs advertised in Cardiff.

Job vacancy trend for JavaScript in Cardiff

JavaScript
Contractor Daily Rate Trend in Cardiff

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JavaScript in Cardiff.

Contractor daily rate trend for JavaScript in Cardiff

JavaScript
Contractor Daily Rate Histogram in Cardiff

The daily rate distribution of IT jobs citing JavaScript in Cardiff over the 6 months to 19 November 2017.

Contractor daily rate histogram for JavaScript in Cardiff

JavaScript
Contractor Hourly Rate Trend in Cardiff

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript in Cardiff.

Contractor hourly rate trend for JavaScript in Cardiff

For the 6 months to 19 November 2017, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Cardiff region with a requirement for JavaScript.

1 40 (85.11%) HTML
1 40 (85.11%) CSS
2 24 (51.06%) Agile Software Development
2 24 (51.06%) HTML5
3 23 (48.94%) CSS3
4 18 (38.30%) Git (software)
4 18 (38.30%) TDD
5 17 (36.17%) Ajax
5 17 (36.17%) AngularJS
6 16 (34.04%) Node.js
6 16 (34.04%) SQL
7 15 (31.91%) Responsive Web Design
7 15 (31.91%) Unit Testing
8 14 (29.79%) jQuery
8 14 (29.79%) JSON
9 13 (27.66%) React
10 12 (25.53%) gulp
10 12 (25.53%) Grunt
10 12 (25.53%) Test Automation
10 12 (25.53%) Scrum
11 11 (23.40%) .NET
11 11 (23.40%) SonarQube
11 11 (23.40%) Front End Development
12 10 (21.28%) Performance Optimisation
12 10 (21.28%) npm
12 10 (21.28%) Perforce
13 9 (19.15%) MVC
13 9 (19.15%) Finance
13 9 (19.15%) OO
13 9 (19.15%) Continuous Integration

JavaScript
Co-occurring IT Skills in Cardiff by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (6.38%) Drupal
2 2 (4.26%) Confluence
2 2 (4.26%) Elasticsearch
3 1 (2.13%) CMS
3 1 (2.13%) IIS
3 1 (2.13%) SAS
3 1 (2.13%) WebLogic
Business Applications
1 1 (2.13%) Magento
Cloud Services
1 10 (21.28%) npm
2 2 (4.26%) Microsoft Azure
3 1 (2.13%) Amazon AWS
3 1 (2.13%) Amazon CloudWatch
3 1 (2.13%) Amazon EC2
Communications & Networking
1 1 (2.13%) HTTP
1 1 (2.13%) SMS
Database & Business Intelligence
1 8 (17.02%) SQL Server
2 4 (8.51%) RDBMS
2 4 (8.51%) Relational Database
3 2 (4.26%) NoSQL
3 2 (4.26%) SQL Server 2005
4 1 (2.13%) Amazon DynamoDB
4 1 (2.13%) Apache Cassandra
4 1 (2.13%) MongoDB
4 1 (2.13%) MySQL
4 1 (2.13%) Oracle Database
4 1 (2.13%) Oracle Database 10g
4 1 (2.13%) Oracle Database 11g
4 1 (2.13%) Oracle Database 12c
4 1 (2.13%) PostgreSQL
4 1 (2.13%) SAS Data Integration Studio
4 1 (2.13%) SAS Enterprise Guide
4 1 (2.13%) SQL Server 2012
Development Applications
1 18 (38.30%) Git (software)
2 12 (25.53%) Grunt
2 12 (25.53%) gulp
3 11 (23.40%) SonarQube
4 5 (10.64%) JIRA
5 4 (8.51%) Jenkins
6 3 (6.38%) Eclipse
6 3 (6.38%) Gradle
6 3 (6.38%) JProfiler
6 3 (6.38%) JUnit
6 3 (6.38%) NUnit
7 2 (4.26%) JSUnit
7 2 (4.26%) webpack
8 1 (2.13%) Axure RP
8 1 (2.13%) FxCop
8 1 (2.13%) GitLab
8 1 (2.13%) MSTest
8 1 (2.13%) Oracle APEX
8 1 (2.13%) PhpStorm
8 1 (2.13%) ReSharper
General
1 9 (19.15%) Finance
2 5 (10.64%) Banking
Job Titles
1 44 (93.62%) Developer
2 11 (23.40%) Front End Developer (Client-Side Developer)
3 10 (21.28%) UI Developer
4 7 (14.89%) .NET Developer
5 6 (12.77%) JavaScript Developer
6 4 (8.51%) PHP Developer
6 4 (8.51%) Web Developer
7 3 (6.38%) Angular Developer
7 3 (6.38%) Full Stack Developer
7 3 (6.38%) HTML Developer
7 3 (6.38%) Senior Developer
8 2 (4.26%) Applications Developer
8 2 (4.26%) Designer
8 2 (4.26%) Drupal Developer
8 2 (4.26%) HTML CSS Developer
8 2 (4.26%) Java Developer
8 2 (4.26%) Senior Web Developer
8 2 (4.26%) SQL Developer
8 2 (4.26%) UI Designer
9 1 (2.13%) Oracle Developer
Libraries, Frameworks & Software Standards
1 40 (85.11%) CSS
1 40 (85.11%) HTML
2 24 (51.06%) HTML5
3 23 (48.94%) CSS3
4 17 (36.17%) Ajax
4 17 (36.17%) AngularJS
5 16 (34.04%) Node.js
6 14 (29.79%) jQuery
6 14 (29.79%) JSON
7 13 (27.66%) React
8 11 (23.40%) .NET
9 8 (17.02%) ASP.NET
10 5 (10.64%) .NET Framework
10 5 (10.64%) Angular 2
10 5 (10.64%) RESTful
10 5 (10.64%) XML
11 4 (8.51%) ASP.NET MVC
11 4 (8.51%) ASP.NET Web API
11 4 (8.51%) Sass
12 3 (6.38%) JPA
Miscellaneous
1 5 (10.64%) User Experience
2 1 (2.13%) Computer Science
2 1 (2.13%) Fintech
2 1 (2.13%) Greenfield Project
2 1 (2.13%) Mobile App
2 1 (2.13%) NHS
2 1 (2.13%) Social Media
Operating Systems
1 2 (4.26%) Linux
2 1 (2.13%) AIX
2 1 (2.13%) Android
2 1 (2.13%) Unix
2 1 (2.13%) Windows
Processes & Methodologies
1 24 (51.06%) Agile Software Development
2 18 (38.30%) TDD
3 15 (31.91%) Responsive Web Design
3 15 (31.91%) Unit Testing
4 12 (25.53%) Scrum
4 12 (25.53%) Test Automation
5 11 (23.40%) Front End Development
6 10 (21.28%) Performance Optimisation
7 9 (19.15%) Continuous Integration
7 9 (19.15%) MVC
7 9 (19.15%) OO
7 9 (19.15%) Web Development
8 6 (12.77%) BDD
9 4 (8.51%) Data Protection
9 4 (8.51%) OOP
9 4 (8.51%) SDLC
10 3 (6.38%) Data Modelling
10 3 (6.38%) E-Commerce
10 3 (6.38%) Mobile Development
10 3 (6.38%) RAD
Programming Languages
1 16 (34.04%) SQL
2 8 (17.02%) C#
3 7 (14.89%) Java
3 7 (14.89%) PHP
4 2 (4.26%) T-SQL
5 1 (2.13%) ES6
5 1 (2.13%) Perl
5 1 (2.13%) PL/SQL
5 1 (2.13%) TypeScript
Qualifications
1 1 (2.13%) Degree
Quality Assurance & Compliance
1 1 (2.13%) WCAG
System Software
1 1 (2.13%) Tivoli Workload Scheduler
Systems Management
1 1 (2.13%) Business Desktop Deployment
1 1 (2.13%) Tivoli
Vendors
1 10 (21.28%) Perforce
2 5 (10.64%) Microsoft
3 4 (8.51%) Oracle
4 3 (6.38%) Adobe